Buggy code:
public abstract class BaseTestCase extends TestCase { protected static final String ERRORSTACKTRACEFILE = "error-stacktrace.out" ; protected static final String DEFAULT_DB_DIR = "system" ; protected static final String DERBY_LOG = "derby.log" ; private BaseTestCase ( ) { } public BaseTestCase ( String name ) { } public void runBare ( ) throws Throwable { } public final TestConfiguration getTestConfiguration ( ) { } public final File getFailureFolder ( ) { } public static void alarm ( final String text ) { } public static void println ( final String text ) { } public static void traceit ( final String text ) { } public static void printStackTrace ( Throwable t ) { } private static final PrintStream out = System . out ; protected static void setSystemProperty ( final String name , final String value ) { } protected static void removeSystemProperty ( final String name ) { } protected static String getSystemProperty ( final String name ) { } protected static String [ ] getFilesWith ( final File dir , String prefix ) { } protected static URL getTestResource ( final String name ) { } protected static InputStream openTestResource ( final URL url ) throws PrivilegedActionException { } public static void assertSecurityManager ( ) { } public static void assertEquals ( InputStream is1 , InputStream is2 ) throws IOException { } public static void assertEquals ( Reader r1 , Reader r2 ) throws IOException { } public static void assertThrowableEquals ( Throwable t1 , Throwable t2 ) { } public static void assertEquals ( final File file1 , final File file2 ) { } public static void assertExecJavaCmdAsExpected ( String [ ] expectedString , String [ ] cmd , int expectedExitValue ) throws IOException , InterruptedException { } public static Process execJavaCmd ( String [ ] cmd ) throws IOException { } public static final String getJavaExecutableName ( ) { String vmname = BaseTestCase . getSystemProperty ( "com.ibm.oti.vm.exe" ) ; if ( vmname == null ) { vmname = BaseTestCase . getSystemProperty ( "java.vm.name" ) ; if ( "CVM" . equals ( vmname ) ) { vmname = ( ( ( ( BaseTestCase . getSystemProperty ( "java.home" ) ) + ( File . separator ) ) + "bin" ) + ( File . separator ) ) + "cvm" ; } else { vmname = ( ( ( ( BaseTestCase . getSystemProperty ( "java.home" ) ) + ( File . separator ) ) + "bin" ) + ( File . separator ) ) + "java" ; } } <START_BUG> if ( vmname . contains ( "<seq2seq4repair_space>" ) ) { <END_BUG> if ( BaseTestCase . getSystemProperty ( "os.name" ) . equals ( "Mac<seq2seq4repair_space>OS<seq2seq4repair_space>X" ) ) { vmname = "java" ; } } return vmname ; } public static final boolean isJ9Platform ( ) { } public static final boolean isSunJVM ( ) { } public static boolean isPhoneME ( ) { } public static final boolean isPlatform ( String osName ) { } public static final boolean isJava5 ( ) { } public static final boolean isJava7 ( ) { } public static int getClassVersionMajor ( ) { } public static final boolean hasInterruptibleIO ( ) { } public static final boolean isIBMJVM ( ) { } public static String readProcessOutput ( Process pr ) throws InterruptedException { } private static String inputStreamToString ( InputStream is ) throws IOException { } public static void removeDirectory ( String path ) { } public static void removeDirectory ( File dir ) { } public static void removeFiles ( String [ ] list ) { } public static void fail ( String msg , Throwable t ) throws AssertionFailedError { } public static void assertLaunchedJUnitTestMethod ( String testLaunchMethod ) throws Exception { } private static String traceClientType ( ) { } }

Fix:
if ( ( vmname . indexOf ( "<seq2seq4repair_space>" ) ) >= 0 ) {